1．掌握用户按键事件处理方法
2．进一步掌握Sprite类
3．掌握碰撞检测的处理过程
4．实现英雄行走功能-1. Master user key event handling method 2. Further understand Sprite Class 3. Master the process of collision detection 4. The realization of the hero walking
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.012130s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.362660s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.071349s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.006710s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004521s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010601s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.032308s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.012961s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015682s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.008080s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 314151 [ RunTime:0.012107s ]
